Port 4804
aja-ntv4-disc · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | aja-ntv4-disc |
| Registered | 2010-06-03 |
Frequently asked questions
What is port 4804 used for?
Port 4804 is registered with the IANA for aja-ntv4-disc (TCP/UDP). Description: Reserved; AJA ntv4 Video System Discovery.
Is port 4804 a well-known port?
No. Port 4804 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 4804 is open?
Locally on Linux with ss -tulpn | grep ':4804\b', on Windows with netstat -ano | findstr :4804. To test a remote host use Test-NetConnection <host> -Port 4804 in PowerShell or nc -zv <host> 4804 on Linux/macOS.
How do I open port 4804 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 4804/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4804/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4804" -Direction Inbound -Protocol TCP -LocalPort 4804 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | – | Reserved |
| UDP | aja-ntv4-disc | AJA ntv4 Video System Discovery |